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https://gitlab.com/pulsechaincom/prysm-pulse.git
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f6eb42b761
* Update references for cc toolchain after removal of @bazel_tools//cpp/cc_toolchain_config.bzl in 1727361563
* Update to bazel 6.1.0
* Update cross-toolchain configs
330 lines
10 KiB
Smarty
330 lines
10 KiB
Smarty
load(
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"@bazel_tools//tools/cpp:cc_toolchain_config_lib.bzl",
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"action_config",
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"feature",
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"feature_set",
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"flag_group",
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"flag_set",
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"make_variable",
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"tool",
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"tool_path",
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"with_feature_set",
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)
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load("@bazel_tools//tools/build_defs/cc:action_names.bzl", "ACTION_NAMES")
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all_compile_actions = [
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ACTION_NAMES.c_compile,
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ACTION_NAMES.cpp_compile,
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ACTION_NAMES.linkstamp_compile,
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ACTION_NAMES.assemble,
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ACTION_NAMES.preprocess_assemble,
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ACTION_NAMES.cpp_header_parsing,
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ACTION_NAMES.cpp_module_compile,
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ACTION_NAMES.cpp_module_codegen,
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ACTION_NAMES.clif_match,
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ACTION_NAMES.lto_backend,
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]
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all_cpp_compile_actions = [
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ACTION_NAMES.cpp_compile,
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ACTION_NAMES.linkstamp_compile,
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ACTION_NAMES.cpp_header_parsing,
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ACTION_NAMES.cpp_module_compile,
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ACTION_NAMES.cpp_module_codegen,
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ACTION_NAMES.clif_match,
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]
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all_link_actions = [
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ACTION_NAMES.cpp_link_executable,
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ACTION_NAMES.cpp_link_dynamic_library,
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ACTION_NAMES.cpp_link_nodeps_dynamic_library,
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]
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def _impl(ctx):
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toolchain_identifier = "clang-linux-cross"
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compiler = "clang"
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abi_version = "clang"
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abi_libc_version = "glibc_unknown"
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target_libc = "glibc_unknown"
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target_cpu = ctx.attr.target.split("-")[0]
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if (target_cpu == "aarch64"):
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sysroot = "/usr/aarch64-linux-gnu"
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include_path_prefix = sysroot
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elif (target_cpu == "x86_64"):
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sysroot = "/"
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include_path_prefix = "/usr"
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else:
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fail("Unreachable")
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if (target_cpu == "aarch64"):
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cross_system_include_dirs = [
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include_path_prefix + "/include/c++/v1",
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include_path_prefix + "/lib/clang/12.0.0/include",
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]
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else:
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cross_system_include_dirs = [
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include_path_prefix + "/include/c++/v1",
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include_path_prefix + "/lib/clang/12.0.0/include",
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include_path_prefix + "/include/x86_64-linux-gnu",
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]
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cross_system_include_dirs += [
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include_path_prefix + "/include/",
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include_path_prefix + "/include/linux",
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include_path_prefix + "/include/asm",
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include_path_prefix + "/include/asm-generic",
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]
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if (target_cpu == "aarch64"):
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cross_system_lib_dirs = [
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"/usr/" + ctx.attr.target + "/lib",
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]
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else:
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cross_system_lib_dirs = [
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"/usr/lib/x86_64-linux-gnu/",
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]
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cross_system_lib_dirs += [
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"/usr/lib/gcc/x86_64-linux-gnu/8",
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]
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opt_feature = feature(name = "opt")
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dbg_feature = feature(name = "dbg")
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fastbuild_feature = feature(name = "fastbuild")
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random_seed_feature = feature(name = "random_seed", enabled = True)
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supports_pic_feature = feature(name = "supports_pic", enabled = True)
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supports_dynamic_linker_feature = feature(name = "supports_dynamic_linker", enabled = True)
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unfiltered_compile_flags_feature = feature(
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name = "unfiltered_compile_flags",
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enabled = True,
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flag_sets = [
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flag_set(
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actions = all_compile_actions,
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flag_groups = [
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flag_group(
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flags = [
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"-no-canonical-prefixes",
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"-Wno-builtin-macro-redefined",
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"-D__DATE__=\"redacted\"",
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"-D__TIMESTAMP__=\"redacted\"",
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"-D__TIME__=\"redacted\"",
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],
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),
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],
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),
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],
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)
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# explicit arch specific system includes
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system_include_flags = []
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for d in cross_system_include_dirs:
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system_include_flags += ["-idirafter", d]
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default_compile_flags_feature = feature(
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name = "default_compile_flags",
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enabled = True,
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flag_sets = [
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flag_set(
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actions = all_compile_actions,
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flag_groups = [
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flag_group(
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flags = [
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"--target=" + ctx.attr.target,
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"-nostdinc",
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"-U_FORTIFY_SOURCE",
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"-fstack-protector",
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"-fno-omit-frame-pointer",
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"-fcolor-diagnostics",
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"-Wall",
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"-Wthread-safety",
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"-Wself-assign",
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] + system_include_flags,
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),
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],
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),
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flag_set(
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actions = all_compile_actions,
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flag_groups = [flag_group(flags = ["-g", "-fstandalone-debug"])],
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with_features = [with_feature_set(features = ["dbg"])],
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),
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flag_set(
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actions = all_compile_actions,
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flag_groups = [
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flag_group(
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flags = [
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"-g0",
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"-O2",
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"-D_FORTIFY_SOURCE=1",
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"-DNDEBUG",
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"-ffunction-sections",
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"-fdata-sections",
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],
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),
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],
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with_features = [with_feature_set(features = ["opt"])],
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),
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flag_set(
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actions = all_cpp_compile_actions,
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flag_groups = [flag_group(flags = ["-std=c++17", "-nostdinc++"])],
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),
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],
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)
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additional_link_flags = [
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"-l:libc++.a",
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"-l:libc++abi.a",
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"-l:libunwind.a",
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"-lpthread",
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"-ldl",
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"-rtlib=compiler-rt",
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]
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default_link_flags_feature = feature(
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name = "default_link_flags",
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enabled = True,
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flag_sets = [
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flag_set(
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actions = all_link_actions,
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flag_groups = [
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flag_group(
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flags = additional_link_flags + [
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"--target=" + ctx.attr.target,
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"-lm",
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"-no-canonical-prefixes",
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"-fuse-ld=lld",
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"-Wl,--build-id=md5",
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"-Wl,--hash-style=gnu",
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"-Wl,-z,relro,-z,now",
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] + ["-L" + d for d in cross_system_lib_dirs],
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),
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],
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),
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flag_set(
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actions = all_link_actions,
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flag_groups = [flag_group(flags = ["-Wl,--gc-sections"])],
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with_features = [with_feature_set(features = ["opt"])],
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),
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],
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)
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objcopy_embed_flags_feature = feature(
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name = "objcopy_embed_flags",
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enabled = True,
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flag_sets = [
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flag_set(
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actions = ["objcopy_embed_data"],
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flag_groups = [flag_group(flags = ["-I", "binary"])],
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),
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],
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)
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user_compile_flags_feature = feature(
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name = "user_compile_flags",
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enabled = True,
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flag_sets = [
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flag_set(
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actions = all_compile_actions,
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flag_groups = [
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flag_group(
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expand_if_available = "user_compile_flags",
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flags = ["%{user_compile_flags}"],
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iterate_over = "user_compile_flags",
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),
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],
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),
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],
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)
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sysroot_feature = feature(
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name = "sysroot",
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enabled = True,
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flag_sets = [
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flag_set(
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actions = all_compile_actions + all_link_actions,
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flag_groups = [
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flag_group(
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expand_if_available = "sysroot",
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flags = ["--sysroot=%{sysroot}"],
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),
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],
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),
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],
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)
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coverage_feature = feature(
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name = "coverage",
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flag_sets = [
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flag_set(
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actions = all_compile_actions,
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flag_groups = [
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flag_group(
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flags = ["-fprofile-instr-generate", "-fcoverage-mapping"],
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),
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],
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),
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flag_set(
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actions = all_link_actions,
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flag_groups = [flag_group(flags = ["-fprofile-instr-generate"])],
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),
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],
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provides = ["profile"],
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)
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features = [
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opt_feature,
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fastbuild_feature,
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dbg_feature,
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random_seed_feature,
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supports_pic_feature,
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supports_dynamic_linker_feature,
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unfiltered_compile_flags_feature,
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default_link_flags_feature,
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default_compile_flags_feature,
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objcopy_embed_flags_feature,
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user_compile_flags_feature,
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sysroot_feature,
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coverage_feature,
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]
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tool_paths = [
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tool_path(name = "ld", path = "/usr/bin/ld.lld"),
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tool_path(name = "cpp", path = "/usr/bin/clang-cpp"),
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tool_path(name = "dwp", path = "/usr/bin/llvm-dwp"),
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tool_path(name = "gcov", path = "/usr/bin/llvm-profdata"),
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tool_path(name = "nm", path = "/usr/bin/llvm-nm"),
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tool_path(name = "objcopy", path = "/usr/bin/llvm-objcopy"),
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tool_path(name = "objdump", path = "/usr/bin/llvm-objdump"),
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tool_path(name = "strip", path = "/usr/bin/strip"),
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tool_path(name = "gcc", path = "/usr/bin/clang"),
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tool_path(name = "ar", path = "/usr/bin/llvm-ar"),
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]
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return cc_common.create_cc_toolchain_config_info(
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ctx = ctx,
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features = features,
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abi_version = abi_version,
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abi_libc_version = abi_libc_version,
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builtin_sysroot = sysroot,
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compiler = compiler,
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cxx_builtin_include_directories = cross_system_include_dirs,
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host_system_name = "x86_64-unknown-linux-gnu",
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target_cpu = target_cpu,
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target_libc = target_libc,
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target_system_name = ctx.attr.target,
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tool_paths = tool_paths,
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toolchain_identifier = toolchain_identifier,
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)
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arm64_cc_toolchain_config = rule(
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implementation = _impl,
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attrs = {
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"target": attr.string(mandatory = True),
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"stdlib": attr.string(),
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},
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provides = [CcToolchainConfigInfo],
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)
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